About Us Chimney Masters provides professional and affordable chimney repairs, fireplace repairs, chimney inspections, chimney sweeps, air duct cleaning, dryer vent cleaning and gutter cleaning services. Chimney Masters has been providing Maryland's Montgomery and Frederick county communities award winning Dryer Vent and Chimney professional cleaning services since 1991. The Angie's List Super Service Award, a leading national honor, recognizes the top 5% of qualifying businesses per category, in each market, who maintain superior service ratings and reviews throughout the past year. Chimney Masters is proud to say that we have received the Angie's List Super Service Award three years in a row (2017-2019) !